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Mineral Cabinet

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 Smithsonian Gem & Mineral Collection
[Fire opal] The mineral cabinet is currently displaying 300 specimens of common minerals taken from the collection of the Department of Mineralogy/Petrography at Bremen. 
[Agate] The minerals are split up into 8 classes according to the internationally recognized STRUNZ Mineralogical Tables. The systematic classification is based on a combination of chemical and crystallographic criteria and thus provides strict and consistent classification. 
[Lasurite] The structural formula, a short description (occasionally with an alternate mineral name) and the locality are stated for every mineral. [Amazonite] Comments about the provenance of the minerals describe the circumstances at the time of the mineral discovery and hence do not in all cases reflect current political boundaries. 
Preview pictures of about 5 kB give a first impression of the various source pictures, which have a format of 640 by 480 pixels and a byte size from 40 to 70 kB.
Class 1: Elements Class 1:  Elements (18) Class 5: Carbonates Class 5:  Carbonates (24) Class 8: Cyclosilicates Class 8:  Cyclosilicates (10)
Class 2: Sulphides Class 2:  Sulphides (28) Class 6: Sulphates Class 6:  Sulphates (26) Class 8: Inosilicates I Class 8:  Inosilicates I (12)
Class 3: Halides Class 3:  Halides (12) Class 7: Phosphates Class 7:  Phosphates (24) Class 8: Inosilicates II Class 8:  Inosilicates II (12)
Class 4: Oxides Class 4:  Oxides (28) Class 8: Nesosilicates Class 8:  Nesosilicates (22) Class 8: Phyllosilicates Class 8:  Phyllosilicates (22)
Class 4: SiO2-varieties Class 4:  SiO2-varieties (28) Class 8: Sorosilicates Class 8:  Sorosilicates (10) Class 8: Tectosilicates Class 8:  Tectosilicates (24)
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Since 22.03.1999, last modified 08.11.2007 MZ